20912291340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1295681}}^1$

素因数の和:1295962

約数の個数: 48

約数和(自身を含む): 58772135520

約数和(自身を除く): 37859844180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1345, 1614, 2690, 3228, 4035, 5380, 8070, 16140, 1295681, 2591362, 3887043, 5182724, 6478405, 7774086, 12956810, 15548172, 19435215, 25913620, 38870430, 77740860, 348538189, 697076378, 1045614567, 1394152756, 1742690945, 2091229134, 3485381890, 4182458268, 5228072835, 6970763780, 10456145670, 20912291340]

約数ペア:

[(1, 20912291340), (2, 10456145670), (3, 6970763780), (4, 5228072835), (5, 4182458268), (6, 3485381890), (10, 2091229134), (12, 1742690945), (15, 1394152756), (20, 1045614567), (30, 697076378), (60, 348538189), (269, 77740860), (538, 38870430), (807, 25913620), (1076, 19435215), (1345, 15548172), (1614, 12956810), (2690, 7774086), (3228, 6478405), (4035, 5182724), (5380, 3887043), (8070, 2591362), (16140, 1295681)]